package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.impl.DishServiceImpl;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/*
 * 菜品管理
 */

@RestController("adminDishController")
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishServiceImpl dishServiceImpl;

    @Autowired
    private RedisTemplate redisTemplate;

    //新增菜品
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishServiceImpl.saveWithFlavor(dishDTO);

        //清理当前分类下的菜品缓存数据
        String key = "dish:"+dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    /*
     * 菜品的分页查询
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询: {}",dishPageQueryDTO);
        PageResult pageResult = dishServiceImpl.pageQueryDto(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /*
     * 菜品批量删除
     */
    @DeleteMapping()
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除: {}",ids);
        dishServiceImpl.deleteBatch(ids);
        //将所有的菜品缓存数据都清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品: {}",id);
        DishVO dishVO = dishServiceImpl.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品: {}",dishDTO);
        dishServiceImpl.updateWithFlavor(dishDTO);

        //将所有的菜品缓存数据都清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("启用禁用菜品")
    public Result startOrStop(@PathVariable Integer status,Long id){
        log.info("启用禁用菜品: {},{}",status,id);
        dishServiceImpl.startOrStop(status,id);

        //将所有的菜品缓存数据都清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品信息")
    public Result<List<Dish>> getByCategoryId(@RequestParam Long categoryId){
        log.info("根据分类id查询菜品信息: {}",categoryId);
        List<Dish> dishs = dishServiceImpl.getByCategoryId(categoryId);
        return Result.success(dishs);
    }

    //清理缓存数据
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
